Arista Networks CEO Jayshree Ullal Sells 13,809 Shares Under Rule 10b5-1 Plan

This SEC Form 4 filing reports that Jayshree Ullal, CEO and Chairperson of Arista Networks, sold 13,809 shares of common stock on May 26, 2026, through multiple transactions at weighted average prices ranging from $154.47 to $157.30 per share. The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on November 14, 2025. Ullal's direct holdings decreased to 9,917 shares following the transactions. The filing also discloses substantial indirect holdings: 10,418,414 shares held in trusts for her children, 60,000 shares in trusts for relatives, and 17,482,010 shares held by a family trust. All sales were properly executed under the predetermined trading plan, which helps executives avoid insider trading allegations by establishing trading parameters in advance.